CN103184364B - Copper-based alloy tube containing silicon and aluminium and preparation method thereof - Google Patents
Copper-based alloy tube containing silicon and aluminium and preparation method thereof Download PDFInfo
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- CN103184364B CN103184364B CN201310123365.9A CN201310123365A CN103184364B CN 103184364 B CN103184364 B CN 103184364B CN 201310123365 A CN201310123365 A CN 201310123365A CN 103184364 B CN103184364 B CN 103184364B
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/01—Alloys based on copper with aluminium as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
- C22C18/02—Alloys based on zinc with copper as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
- C22C18/04—Alloys based on zinc with aluminium as the next major constituent
Abstract
The invention provides a copper-based alloy tube containing silicon and aluminium and a preparation method thereof. The alloy tube comprises the following components by weigh percent: 60-65 percent of copper, 4-7 percent of silicon, 4-8 percent of aluminium and the balance of zinc. According to the invention, silicon and aluminium elements replace a lead element to form dispersedly distributed independent phases in copper alloy; owing to the phases, the copper-based alloy tube can play a chip breaking role in the cutting process, so that the cutting and processing performances of copper alloy are improved; and the copper-based alloy tube conforms to the environment-friendly and healthy standards.
Description
Technical field
The present invention relates to alloy pipe field, be specifically related to a kind of siliceous copper-base alloy pipe with aluminium and preparation method thereof.
Background technology
The cutting ability why copper alloy containing lead has had and properties of antifriction and wear resistance, mainly because lead exists with individual event in copper alloy, play good chip breaking effect when cutting; Under friction abrasion environment, because the shearing resistance of lead is very low, the lead on copper alloy parts surface makes the frictional coefficient of copper alloy containing lead lower, so lead element more generally uses in brass alloys.
But lead is one of chemical substance of serious harm human longevity and physical environment, lead in alloy is in use very easily invaded out or is deviate from from matrix, leaded in industrial wastes, permeate the ground water system, various forms of lead enters the food chain of animal or human by all means, the health of harm humans, affects environment.
As from the foregoing, exploitation Pb-free copper-alloy becomes the key subjects that current metallic substance industry faces, and is also the important process that response world's recycling economy (EHS plan) requires.
Summary of the invention
The object of the present invention is to provide a kind of siliceous copper-base alloy pipe with aluminium and preparation method thereof, while utilizing the present invention both to meet the requirement of leadless environment-friendly performance on the basis do not raised the cost, material can be ensure that again in the application to the requirement of cutting ability and mechanical and physical performance.
In order to realize foregoing invention object, the technical solution used in the present invention is as follows:
A siliceous copper-base alloy pipe with aluminium, be made up of following component: the copper accounting for compo pipe gross weight 60-65%, account for the silicon of compo pipe gross weight 4-7%, account for the aluminium of compo pipe gross weight 4-8%, surplus is zinc.
Preferably, be made up of following component: the copper accounting for compo pipe gross weight 60%, account for the silicon of compo pipe gross weight 4%, account for the aluminium of compo pipe gross weight 4%, surplus is zinc.
Preferably, be made up of following component: the copper accounting for compo pipe gross weight 65%, account for the silicon of compo pipe gross weight 7%, account for the aluminium of compo pipe gross weight 8%, surplus is zinc.
Preferably, be made up of following component: the copper accounting for compo pipe gross weight 62.5%, account for the silicon of compo pipe gross weight 5.5%, account for the aluminium of compo pipe gross weight 6%, surplus is zinc.
Preferably, copper is electrolytic copper.
The preparation method of a kind of Novel lead-free copper-base alloy pipe provided by the invention, comprises the following steps:
1) according to proportioning, electrolytic copper, silicon, aluminium, zinc are placed in main frequency furnace, are heated to 1150-1200 degree, be incubated to 1100 degree until completely melted;
2), after fully being stirred by the alloy liquid melted completely with graphite rod, cover high purity crystalline graphite powder in the above and be oxidized to prevent it, thickness is 10-15cm;
3), after being incubated 1-1.5 hour, with spectrograph, composition inspection being carried out to the sample taken out in stove, determine its alloying constituent within the limits prescribed;
4) be incubated after 50-60 minute further, be again warming up to 1200 degree, open the vibrating device of main frequency furnace, adopt horizontal continuous casting method to cause external diameter to be 200mm, internal diameter is 150mm, and length is the hollow blank alloy pipe of 550mm;
5) carry out surface working with copper ingot milling machine to blank alloy pipe, being processed as surface diameter is 190mm, and internal diameter is 155mm, and length is the compo pipe of 500mm;
6) extrude, adopt 2500 tons of single action extrusion machine extruding, the Heating temperature of alloy pig is 180-200 degree, extrusion temperature is 400 degree, and extrusion speed is 15mm/s, and repeatedly after extruding, the external diameter of compo pipe is 185mm, tolerance is +/-1mm, and internal diameter is 165mm, and tolerance is +/-1mm;
7) anneal, with box-annealing furnace, anneal is carried out to the compo pipe after extruding; Annealing temperature is 100-200 degree, and annealing time is 1.5-2 hour.
8) detect a flaw, detected a flaw by the compo pipe after anneal, percentage of detection is 100%;
9) the qualified product of flaw detection is cut into the finished product packing warehouse-in of length 300mm.
Further, spectrograph described in step 3) adopts Spike direct-reading spectrometer.
Further, the composition amount of testing in step 3) is 3-6 time.
The invention has the beneficial effects as follows: the invention provides a kind of siliceous copper-base alloy pipe with aluminium and preparation method thereof, it utilizes Silicified breccias element substitution lead element in copper alloy, form the independent phase of Dispersed precipitate, these mutual-assistances the present invention formed plays chip breaking effect when cutting, thus improve the machinability of copper alloy, but also meet environment protection health standard.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but and unrestricted range of application of the present invention.
embodiment 1
A siliceous copper-base alloy pipe with aluminium, be made up of following component: the copper accounting for compo pipe gross weight 60%, account for the silicon of compo pipe gross weight 4%, account for the aluminium of compo pipe gross weight 4%, surplus is zinc.
According to said ratio, electrolytic copper, silicon, aluminium, zinc are placed in main frequency furnace, are heated to 1150-1200 degree, be incubated to 1100 degree after fusing completely; After fully being stirred by alloy liquid after fusing completely with graphite rod, cover high purity flaky graphite powder in the above and be oxidized to prevent it, its thickness is about 10-15cm; Be incubated after 1-1.5 hour, with German import Spike direct-reading spectrometer, 3-6 inspection carried out to the sample taken out in stove, determine that its alloying constituent is within specialized range; Further insulation, after 50-60 minute, is warming up to 1200 degree again, and opens the vibrating device of main frequency furnace, and adopting horizontal continuous casting method to be cast as external diameter is 200mm ± 1mm, and internal diameter is 150mm ± 1mm, and length is the hollow blank alloy pipe of 550mm ± 1mm; Carry out surface working with copper ingot milling machine to above-mentioned hollow blank alloy pipe, being processed as any surface finish diameter is 190mm ± 1mm, and internal diameter is 155mm ± 1mm, and length is the compo pipe of 500mm ± 1mm; By the single action extrusion machine extruding of the compo pipe after surface working with 2500 tons: wherein, the temperature of alloy pig is 180-200 degree, and extrusion temperature is 400 degree, extrusion speed is 15mm/s, after repeatedly extruding, the external diameter of this compo pipe is 185mm ± 1mm, and internal diameter is 165mm ± 1mm; Carry out anneal afterwards, with box-annealing furnace, anneal is carried out to the compo pipe after extruding: annealing temperature is 100-200 degree, and annealing time is 1.5-2 hour; Finally detect a flaw, detected a flaw by the copper pipe of having annealed, percentage of detection is 100%, and the finished product qualified product of flaw detection being cut into length 300mm ± 1mm carries out packaging warehouse-in.
Compared with existing leaded conjunction copper-base alloy pipe, the copper-base alloy pipe excellent cutting performance of a kind of siliceous and aluminium that the present embodiment provides, workability is good, and wear resistance is good, and preparation technology is simple, and cost is low, can not to environment.
embodiment 2
A siliceous copper-base alloy pipe with aluminium, be made up of following component: the copper accounting for compo pipe gross weight 65%, account for the silicon of compo pipe gross weight 7%, account for the aluminium of compo pipe gross weight 8%, surplus is zinc.
According to said ratio, electrolytic copper, silicon, aluminium, zinc are placed in main frequency furnace, are heated to 1150-1200 degree, be incubated to 1100 degree after fusing completely; After fully being stirred by alloy liquid after fusing completely with graphite rod, cover high purity flaky graphite powder in the above and be oxidized to prevent it, its thickness is about 10-15cm; Be incubated after 1-1.5 hour, with German import Spike direct-reading spectrometer, 3-6 inspection carried out to the sample taken out in stove, determine that its alloying constituent is within specialized range; Further insulation, after 50-60 minute, is warming up to 1200 degree again, and opens the vibrating device of main frequency furnace, and adopting horizontal continuous casting method to be cast as external diameter is 200mm ± 1mm, and internal diameter is 150mm ± 1mm, and length is the hollow blank alloy pipe of 550mm ± 1mm; Carry out surface working with copper ingot milling machine to above-mentioned hollow blank alloy pipe, being processed as any surface finish diameter is 190mm ± 1mm, and internal diameter is 155mm ± 1mm, and length is the compo pipe of 500mm ± 1mm; By the single action extrusion machine extruding of the compo pipe after surface working with 2500 tons: wherein, the temperature of alloy pig is 180-200 degree, and extrusion temperature is 400 degree, extrusion speed is 15mm/s, after repeatedly extruding, the external diameter of this compo pipe is 185mm ± 1mm, and internal diameter is 165mm ± 1mm; Carry out anneal afterwards, with box-annealing furnace, anneal is carried out to the compo pipe after extruding: annealing temperature is 100-200 degree, and annealing time is 1.5-2 hour; Finally detect a flaw, detected a flaw by the copper pipe of having annealed, percentage of detection is 100%, and the finished product qualified product of flaw detection being cut into length 300mm ± 1mm carries out packaging warehouse-in.
Compared with existing leaded conjunction copper-base alloy pipe, a kind of siliceous and copper-base alloy pipe of aluminium that the present embodiment provides improves the machinability of brass, and its production technique is simple, cost is lower and can not to environment.
embodiment 3
A siliceous copper-base alloy pipe with aluminium, be made up of following component: the copper accounting for compo pipe gross weight 62.5%, account for the silicon of compo pipe gross weight 5.5%, account for the aluminium of compo pipe gross weight 6%, surplus is zinc.
According to said ratio, electrolytic copper, silicon, aluminium, zinc are placed in main frequency furnace, are heated to 1150-1200 degree, be incubated to 1100 degree after fusing completely; After fully being stirred by alloy liquid after fusing completely with graphite rod, cover high purity flaky graphite powder in the above and be oxidized to prevent it, its thickness is about 10-15cm; Be incubated after 1-1.5 hour, with German import Spike direct-reading spectrometer, 3-6 inspection carried out to the sample taken out in stove, determine that its alloying constituent is within specialized range; Further insulation, after 50-60 minute, is warming up to 1200 degree again, and opens the vibrating device of main frequency furnace, and adopting horizontal continuous casting method to be cast as external diameter is 200mm ± 1mm, and internal diameter is 150mm ± 1mm, and length is the hollow blank alloy pipe of 550mm ± 1mm; Carry out surface working with copper ingot milling machine to above-mentioned hollow blank alloy pipe, being processed as any surface finish diameter is 190mm ± 1mm, and internal diameter is 155mm ± 1mm, and length is the compo pipe of 500mm ± 1mm; By the single action extrusion machine extruding of the compo pipe after surface working with 2500 tons: wherein, the temperature of alloy pig is 180-200 degree, and extrusion temperature is 400 degree, extrusion speed is 15mm/s, after repeatedly extruding, the external diameter of this compo pipe is 185mm ± 1mm, and internal diameter is 165mm ± 1mm; Carry out anneal afterwards, with box-annealing furnace, anneal is carried out to the compo pipe after extruding: annealing temperature is 100-200 degree, and annealing time is 1.5-2 hour; Finally detect a flaw, detected a flaw by the copper pipe of having annealed, percentage of detection is 100%, and the finished product qualified product of flaw detection being cut into length 300mm ± 1mm carries out packaging warehouse-in.
Compared with existing leaded conjunction copper-base alloy pipe, a kind of siliceous and copper-base alloy pipe of aluminium that the present embodiment provides improves the machinability of brass, and its production technique is simple, cost is lower and can not to environment.
Provided by the invention a kind of siliceous with the copper-base alloy pipe of aluminium and the mechanical property of existing lead-containing alloy pipe as shown in table 1.
Table 1 Novel lead-free copper-base alloy pipe performance
The foregoing is only preferred embodiment of the present invention, be not used for limiting practical range of the present invention; If do not depart from the spirit and scope of the present invention, the present invention is modified or equivalent to replace, in the middle of the protection domain that all should be encompassed in the claims in the present invention.
Claims (6)
1. a Novel lead-free copper-base alloy pipe, is characterized in that, is made up of following component: the copper accounting for compo pipe gross weight 60%, accounts for the silicon of compo pipe gross weight 4%, accounts for the aluminium of compo pipe gross weight 4%, and surplus is zinc.
2. a Novel lead-free copper-base alloy pipe, is characterized in that, is made up of following component: the copper accounting for compo pipe gross weight 65%, accounts for the silicon of compo pipe gross weight 7%, accounts for the aluminium of compo pipe gross weight 8%, and surplus is zinc.
3. a Novel lead-free copper-base alloy pipe, is characterized in that, is made up of following component: the copper accounting for compo pipe gross weight 62.5%, accounts for the silicon of compo pipe gross weight 5.5%, accounts for the aluminium of compo pipe gross weight 6%, and surplus is zinc.
4. a preparation method for the Novel lead-free copper-base alloy pipe as described in claim as arbitrary in claim 1-3, is characterized in that comprising the following steps:
1) according to proportioning, electrolytic copper, silicon, aluminium, zinc are placed in main frequency furnace, are heated to 1150-1200 degree, be incubated to 1100 degree until completely melted;
2), after fully being stirred by the alloy liquid melted completely with graphite rod, cover high purity crystalline graphite powder in the above and be oxidized to prevent it, thickness is 10-15cm;
3), after being incubated 1-1.5 hour, with spectrograph, composition inspection being carried out to the sample taken out in stove, determine its alloying constituent within the limits prescribed;
4) be incubated after 50-60 minute further, be again warming up to 1200 degree, open the vibrating device of main frequency furnace, adopt horizontal continuous casting method to cause external diameter to be 200mm, internal diameter is 150mm, and length is the hollow blank alloy pipe of 550mm;
5) carry out surface working with copper ingot milling machine to blank alloy pipe, being processed as surface diameter is 190mm, and internal diameter is 155mm, and length is the compo pipe of 500mm;
6) extrude, adopt 2500 tons of single action extrusion machine extruding, the Heating temperature of compo pipe is 180-200 degree, extrusion temperature is 400 degree, and extrusion speed is 15mm/s, and repeatedly after extruding, the external diameter of compo pipe is 185mm, tolerance is +/-1mm, and internal diameter is 165mm, and tolerance is +/-1mm;
7) anneal, with box-annealing furnace, anneal is carried out to the compo pipe after extruding; Annealing temperature is 100-200 degree, and annealing time is 1.5-2 hour;
8) detect a flaw, detected a flaw by the compo pipe after anneal, percentage of detection is 100%;
9) the qualified product of flaw detection is cut into the finished product packing warehouse-in of length 300mm.
5. the preparation method of Novel lead-free copper-base alloy pipe according to claim 4, is characterized in that, step 3) described in spectrograph adopt Spike direct-reading spectrometer.
6. the preparation method of Novel lead-free copper-base alloy pipe according to claim 4, is characterized in that, step 3) in composition amount of testing be 3-6 time.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310123365.9A CN103184364B (en) | 2013-04-10 | 2013-04-10 | Copper-based alloy tube containing silicon and aluminium and preparation method thereof |
| PCT/CN2013/000800 WO2014166023A1 (en) | 2013-04-10 | 2013-06-28 | Copper-based alloy pipe containing silicon and aluminum, and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310123365.9A CN103184364B (en) | 2013-04-10 | 2013-04-10 | Copper-based alloy tube containing silicon and aluminium and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103184364A CN103184364A (en) | 2013-07-03 |
| CN103184364B true CN103184364B (en) | 2015-05-13 |
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| CN201310123365.9A Active CN103184364B (en) | 2013-04-10 | 2013-04-10 | Copper-based alloy tube containing silicon and aluminium and preparation method thereof |
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| CN (1) | CN103184364B (en) |
| WO (1) | WO2014166023A1 (en) |
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| CN114101371B (en) * | 2021-11-09 | 2023-05-30 | 中铝洛阳铜加工有限公司 | Processing method of large-caliber thick-wall copper pipe for annular conduction band |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4851191A (en) * | 1987-04-10 | 1989-07-25 | Poong San Metal Corporation | High strength and wear resistance copper alloys |
| US5183637A (en) * | 1991-02-07 | 1993-02-02 | Daido Metal Company Ltd. | Wear resistant copper alloys |
| CN101233250A (en) * | 2005-07-28 | 2008-07-30 | 三越金属株式会社 | Copper alloy extruded material and method for producing same |
| CN101974703A (en) * | 2010-10-29 | 2011-02-16 | 广州唯科得复合金属科技有限公司 | Copper alloy and copper alloy product |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6974257B2 (en) * | 2001-12-28 | 2005-12-13 | Koyo Seiko Co., Ltd. | Dynamic pressure bearing |
| CN103045902B (en) * | 2013-01-16 | 2015-03-04 | 苏州金仓合金新材料有限公司 | Brass alloy rod using silicon and aluminum elements to inhibit lead release and preparation method thereof |
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2013
- 2013-04-10 CN CN201310123365.9A patent/CN103184364B/en active Active
- 2013-06-28 WO PCT/CN2013/000800 patent/WO2014166023A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4851191A (en) * | 1987-04-10 | 1989-07-25 | Poong San Metal Corporation | High strength and wear resistance copper alloys |
| US5183637A (en) * | 1991-02-07 | 1993-02-02 | Daido Metal Company Ltd. | Wear resistant copper alloys |
| CN101233250A (en) * | 2005-07-28 | 2008-07-30 | 三越金属株式会社 | Copper alloy extruded material and method for producing same |
| CN101974703A (en) * | 2010-10-29 | 2011-02-16 | 广州唯科得复合金属科技有限公司 | Copper alloy and copper alloy product |
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| WO2014166023A1 (en) | 2014-10-16 |
| CN103184364A (en) | 2013-07-03 |
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Effective date of registration: 20221101 Address after: 215400 88 Chongen Road, Loudong street, Taicang City, Suzhou City, Jiangsu Province Patentee after: Suzhou Boyuan Aerospace New Materials Co.,Ltd. Address before: 215412 Changsheng formation, Ludong village, Ludu Town, Taicang City, Suzhou City, Jiangsu Province Patentee before: SUZHOU TIANQIAN NEW MATERIAL SCIENCE & TECHNOLOGY Co.,Ltd. |